David wrote:
> This is not a handshake problem. It is a dialing problem. When you type
> "ATDTxxxxxxxxxx" on a Hayes compatible modem, it dials. (where
> xxxxxxxxxx is the telephone number)
>
> Here's the story. I got rid of my land line. Now I can't use my old Zoom
> 2949L and Hyperterm to connect to the VT100 port anymore. So I am trying
> to use the modem in my cell phone with Hyperterm. I have been using
> Hyperterm with my land line to access this VT100 port for over 10 years
> without a problem. Now I have only a cell phone and no land line.
>
> As far as modems go, this should work. But when I type "ATDTxxxxxxxxxx"
> in Hyperterm I immediately get "ERROR" as the response. This same
> command worked fine with my land line and the Zoom modem.
>
> I have tried typing ATX0 <CR> and get an "OK" followed by ATDTxxxxxxxxxx
> <CR>, but just get ERROR in response.
>
> Keep in mind that the cell modem does respond to some AT commands, but
> not the one I need to dial out.
>
> I just want to know what AT command I need to use to dial out...and one
> that works with this cell phone.
>
> Thanks again,
>
> David
>
>

"ATDT" is a Hayes modem standard which most dialup modems recognize.
Your cell phone, however, is NOT a Hayes modem and it appears that it's
not Hayes compatible either. I'm sure your cell phone came with some
sort of instructions. Time to read an follow them!